• Country
• United States of America (USA)

• Manufacturer / Brand
• Gertsch Products Inc.; Los Angeles (CA)

• Year
• 1955 ??

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 254587

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Bandpass Filter EP-47-400 - Gertsch Products Inc.; Los

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 6 models, 6 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gertsch Products Inc.; Los Angeles (CA)